Selective elimination/RNAi silencing of FMRF-related peptides and their receptors decreases the locomotor activity in Drosophila melanogaster.

abstract：:The Harderian gland of the lizard Podarcis sicula sicula (Raf) contains connective tissue type mast cells whose numbers vary during the year showing two peaks, one in spring the other in winter. No sex differences are found throughout the year. Thermal and photoperiodic manipulations indicate that only temperature inf...

journal_title：General and comparative endocrinology

authors： Vitiello II,Baccari GC,Di Matteo L,Rusciani A,Chieffi P,Minucci S

更新日期：1997-09-01 00:00:00

abstract：:Metabolic pathways of estradiol-17 beta and other vertebrate steroid hormones of cultured silkworm pupal ovaries were examined using 14C-labeled steroids. The isolated ovaries showed significant uptake and metabolic activity of the 14C-labeled estradiol-17 beta added to the medium. Analysis of the metabolized compound...

journal_title：General and comparative endocrinology

authors： Ogiso M,Fujimoto Y,Ikekawa N,Ohnishi E

更新日期：1986-03-01 00:00:00

abstract：:The optic tectum rapidly inhibits food intake when a visual threat is present. Anatomical and electrophysiological evidence support a role for neuropeptide Y (NPY), originating from cells in the thalamus, in the tectal inhibition of prey capture. Here we test the hypothesis that tectal NPY receptor type 2 (NPY2R) infl...

journal_title：General and comparative endocrinology

authors： Islam R,Prater CM,Harris BN,Carr JA

更新日期：2019-10-01 00:00:00

abstract：:The skeletal muscles of ectothermic vertebrates possess an elevated glyconeogenic capacity that is responsible for a major portion of lactate removal and glycogen resynthesis following exercise. In lizards, changes in plasma hormone levels and the influence of differing hormone levels on muscle metabolism postexercise...

journal_title：General and comparative endocrinology

authors： Scholnick DA,Weinstein RB,Gleeson TT

更新日期：1997-05-01 00:00:00

abstract：:Leptin plays key roles in body weight regulation, energy metabolism, food intake, reproduction and immunity in mammals. However, its function in teleosts is still unclear. In the present study, two leptin genes (gLepA and gLepB) and one leptin receptor gene (gLepR) were cloned and characterized in orange-spotted group...

journal_title：General and comparative endocrinology

authors： Zhang H,Chen H,Zhang Y,Li S,Lu D,Zhang H,Meng Z,Liu X,Lin H

更新日期：2013-01-15 00:00:00

abstract：:The functional abilities of 9.5-, 10.5-, 11.5-, and 12.5-day-old chick embryos to respond to exogenous thyrotrophin-releasing hormone (TRH) were evaluated by means of changes in plasma total thyroxine (T4). T4 concentrations were determined 3.0, 6.0, 12.0, and 24.0 hr after TRH treatment. The data of the present inves...

journal_title：General and comparative endocrinology

authors： Thommes RC,Williams DJ,Woods JE

更新日期：1984-08-01 00:00:00

abstract：:Primary cultured gill epithelia from goldfish and rainbow trout were used to investigate a role for cortisol in the regulation of paracellular permeability and tight junction (TJ) protein transcript abundance in representative stenohaline versus euryhaline freshwater (FW) fish gills. Glucocorticoid and mineralocortico...

journal_title：General and comparative endocrinology

authors： Chasiotis H,Kelly SP

更新日期：2011-07-01 00:00:00

abstract：:Phenotypic effects of global warming have been documented in many different taxa. However, the importance of transgenerational phenotypic plasticity in these adaptations are seldom studied. In birds, temperature could affect egg characteristics. Higher temperatures during egg-laying may reduce maintenance costs for fe...

journal_title：General and comparative endocrinology

authors： Bleu J,Agostini S,Angelier F,Biard C

更新日期：2019-05-01 00:00:00

abstract：:During metamorphosis, the tadpole neuroendocrine brain is a major target for the organisational effects of hormones acting via both endocrine feedback mechanisms and local hormone production. While the receptor-mediated actions of thyroid hormones in brain development have been well described, there is evidence that t...

journal_title：General and comparative endocrinology

authors： Hogan NS,Crump KL,Duarte P,Lean DR,Trudeau VL

更新日期：2007-10-01 00:00:00

abstract：:Low birth weight is correlated with low adiposity at birth, a phenotype that influences neonatal survival and later adiposity. A better understanding of events affecting the fetal adipose tissue development and its functionality around birth is thus needed. This study was undertaken to examine the impact of spontaneou...

journal_title：General and comparative endocrinology

authors： Gondret F,Père MC,Tacher S,Daré S,Trefeu C,Le Huërou-Luron I,Louveau I

更新日期：2013-12-01 00:00:00

abstract：:Circadian rhythm is well known to play a pivotal role in reproduction but the presence of a gonadal circadian rhythm is opening a lot of questions about a local regulation of reproduction. In the present study, we first set to identify the key genes driving circadian rhythmicity from the gonadal transcriptome of the s...

journal_title：General and comparative endocrinology

authors： Basili D,Gioacchini G,Todisco V,Candelma M,Marisaldi L,Pappalardo L,Carnevali O

更新日期：2020-12-30 00:00:00

abstract：:Plasma progesterone concentrations were measured every 2 or 3 days in eastern quoll, Dasyurus viverrinus, during pregnancy (20.5 +/- 0.8 days, n = 6, mean +/- SEM) and the estrous cycle (37.5 +/- 0.7 days, n = 20, mean +/- SEM). The pattern was not apparently different between the two reproductive states. There was a ...

journal_title：General and comparative endocrinology

authors： Hinds LA

更新日期：1989-07-01 00:00:00

abstract：:Understanding reproductive profiles and timing of reproductive events is essential in the management and conservation of humpback whales (Megaptera novaeangliae). Yet compared to other parameters and life history traits, such as abundance, migratory trends, reproductive rates, behavior and communication, relatively li...

journal_title：General and comparative endocrinology

authors： Cates KA,Atkinson S,Gabriele CM,Pack AA,Straley JM,Yin S

更新日期：2019-08-01 00:00:00

abstract：:The vasoconstrictive and cardiovascular actions of a recently identified bradykinin (BK)-related peptide (Gly-Ile-Thr-Ser-Trp-Leu-Pro-Phe) from the little skate, Leucoraja erinacea were examined in the unanesthetised little skate. Intra-arterial administration of a skate BK (0.1-1 nmolkg(-1)) produced a hypertensive r...

journal_title：General and comparative endocrinology

authors： Dasiewicz PJ,Conlon JM,Anderson WG

更新日期：2011-11-01 00:00:00

abstract：:Melatonin is a skin lightening agonist of the toad Bufo ictericus. The hormone also exhibits an autodesensitizing action as well as an inhibitory activity on the darkening response to alpha-MSH. In an attempt to pharmacologically characterize the melatonin receptor of the toad pigment cells, serotonin and N-acetylsero...

journal_title：General and comparative endocrinology

authors： Filadelfi AM,Castrucci AM

更新日期：1996-08-01 00:00:00

abstract：:Calcitonin gene-related peptide (CGRP) was found using radioimmunoassay in the brain and spinal cord of the bullfrog, Rana catesbeiana. The brain extracts were found to contain 241.7 +/- 68.1 pg/mg tissue, and the spinal cord contained 1753.0 +/- 96.8 pg/mg tissue. An intense immunocytochemical reaction was observed i...

journal_title：General and comparative endocrinology

authors： Kline LW,Kaneko T,Chiu KW,Harvey S,Pang PK

更新日期：1988-10-01 00:00:00

abstract：:In the teleost brain, radial glial cells (RGCs) are the main macroglia and are stem-like progenitors that express key steroidogenic enzymes, including the estrogen-synthesizing enzyme, aromatase B (cyp19a1b). As a result, RGCs are integral to neurogenesis and neurosteroidogenesis, however little is known about the reg...

journal_title：General and comparative endocrinology

authors： Da Fonte DF,Xing L,Mikwar M,Trudeau VL

更新日期：2018-02-01 00:00:00

abstract：:Plasma concentrations of growth hormone (GH) were decreased following the intravenous administration of morphine sulfate. Maximum inhibition of GH secretion was observed 40 min after morphine sulfate challenge. At this time, doses of morphine sulfate (at 5 mg and 50 mg/kg) reduced the GH concentrations by 86 and 90%, ...

journal_title：General and comparative endocrinology

authors： Harvey S,Scanes CG

更新日期：1987-01-01 00:00:00

abstract：:Differential transfer of maternal testosterone (T) into egg yolk provides a means of adjusting an offspring's phenotype to ambient environmental conditions. While the environmental and genetic driven variability in yolk T levels is widely described, the underlying mechanisms are poorly understood. Here, we investigate...

journal_title：General and comparative endocrinology

authors： Okuliarova M,Meddle SL,Zeman M

更新日期：2018-01-15 00:00:00

abstract：:Perchlorate, an environmental contaminant, disrupts normal functioning of the thyroid. We previously showed that perchlorate disrupts behavior and gonad development, and induces external morphological changes in a vertebrate model organism, the threespine stickleback. Whether perchlorate alters these phenotypes via a ...

journal_title：General and comparative endocrinology

authors： Petersen AM,Dillon D,Bernhardt RR,Torunsky R,Postlethwait JH,von Hippel FA,Loren Buck C,Cresko WA

更新日期：2015-01-01 00:00:00

abstract：:The melanotrope cell in the amphibian pituitary pars intermedia is a model to study fundamental aspects of neuroendocrine integration. They release alpha-melanophore-stimulating hormone (alphaMSH), under the control of a large number of neurochemical signals derived from various brain centers. In Xenopus laevis, most ...

journal_title：General and comparative endocrinology

authors： van Wijk DC,Meijer KH,Roubos EW

更新日期：2010-09-01 00:00:00

abstract：:A protein with insulin-like effects was isolated from the hepatopancreas of the lobster Panulirus argus following a classic method for mammalian insulin purification from the pancreas. After acid-alcoholic extraction and ethanol-ether precipitation followed by molecular filtration chromatography, a protein with an app...

journal_title：General and comparative endocrinology

authors： Gallardo N,Carrillo O,Moltó E,Deás M,González-Suárez R,Carrascosa JM,Ros M,Andrés A

更新日期：2003-05-01 00:00:00

abstract：:To investigate whether a differential potency on vitellogenesis exists between the carp gonadotropin (cGTH) and fraction I-cGTH (proteins from cGTH unbound on concanavalin A-Sepharose, which represent 5% of cGTH in weight), hypophysectomized Gobius niger were treated with the two hormonal preparations at the same leve...

journal_title：General and comparative endocrinology

authors： Le Menn F,Burzawa-Gérard E

更新日期：1985-01-01 00:00:00

abstract：:The present study examined plasma concentrations of insulin-like growth factor (IGF)-I, IGF-II and IGF-binding proteins (IGFBPs) during posthatch growth and development in chickens. Three distinct proteins which bound 125I-IGF-I were observed irrespective of age or sex, these having apparent molecular weights of 22, 2...

journal_title：General and comparative endocrinology

authors： Radecki SV,Capdevielle MC,Buonomo FC,Scanes CG

更新日期：1997-07-01 00:00:00

abstract：:Fish egg yolk is largely derived from vitellogenins, which are synthesized in the liver, taken up from the maternal circulation by growing oocytes via receptor-mediated endocytosis and enzymatically processed into yolk proteins that are stored in the ooplasm. Lipid droplets are another major component of fish egg yolk...

journal_title：General and comparative endocrinology

authors： Hiramatsu N,Todo T,Sullivan CV,Schilling J,Reading BJ,Matsubara T,Ryu YW,Mizuta H,Luo W,Nishimiya O,Wu M,Mushirobira Y,Yilmaz O,Hara A

更新日期：2015-09-15 00:00:00

abstract：:Intraperitoneal injection of rainbow trout (Salmo gairdneri) with 0.4 microgram/g of human growth hormone (hGH) increased plasma levels of 3,5,3'-triiodo-L-thyronine (T3) and Vmax of the hepatic microsomal 5'-monodeiodinase enzyme (5'D) that converts thyroxine (T4) to T3, with no effect on Km or plasma T4 levels. A do...

journal_title：General and comparative endocrinology

authors： MacLatchy DL,Eales JG

更新日期：1990-05-01 00:00:00

abstract：:Arginine vasotocin (AVT) and isotocin (IT) are fish hypothalamic nonapeptides involved in numerous social and reproductive behaviors. Vasotocinergic and isotocinergic fibers project to different brain areas where peptides act as neurotransmitters and/or neuromodulators. In this study, we measured whole brain levels of...

journal_title：General and comparative endocrinology

authors： Kulczykowska E,Kleszczyńska A

更新日期：2014-08-01 00:00:00

abstract：:Secretin (Sct), traditionally a gastrointestinal hormone backed by a century long research, is now beginning to be recognized also as a neuroactive peptide. Substantiation by recent evidence on the functional role of Sct in various regions of the brain, especially on its potential neurosecretion from the posterior pit...

journal_title：General and comparative endocrinology

authors： Sekar R,Chow BK

更新日期：2013-01-15 00:00:00

abstract：:Atrazine (ATZ) is a widely used herbicide and is considered an endocrine disruptor of different organisms. However, the molecular interactions of ATZ with biological targets in mammalian endocrine systems are not understood fully. In the present study, we observed that ATZ administration (50, 100 and 200 mg/kg) for 3 ...

journal_title：General and comparative endocrinology

authors： Jin Y,Wang L,Fu Z

更新日期：2013-04-01 00:00:00

abstract：:The effects of estradiol (E2) on growth hormone (GH) production was investigated in gonad-intact female goldfish. It was first necessary to generate a specific antibody for use in immunocytochemistry, Western, and dot-blot analyses of GH production. To accomplish this, grass carp GH (gcGH) cDNA was cloned by the rever...

journal_title：General and comparative endocrinology

authors： Zou JJ,Trudeau VL,Cui Z,Brechin J,Mackenzie K,Zhu Z,Houlihan DF,Peter RE

更新日期：1997-04-01 00:00:00